CN216477212U

CN216477212U - Centrifugal separation device for drilling fluid in oil exploitation

Info

Publication number: CN216477212U
Application number: CN202123365178.0U
Authority: CN
Inventors: 鹿彭; 彭婧雅; 赵德生; 王维国; 蔡玲玲
Original assignee: Daqing Baosheng Petroleum Machinery Co ltd
Current assignee: Daqing Baosheng Petroleum Machinery Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-10
Anticipated expiration: 2031-12-28

Abstract

The utility model provides an oil development drilling fluid centrifugal separation device, the oil development field includes: the device comprises a base, a filtering device, a collecting device and a centrifugal device, wherein the base is connected with the collecting device in a sliding mode, the filtering device is fixedly connected with the collecting device, and the filtering device is connected with the centrifugal device. The utility model discloses can solve and propose in the above-mentioned background art, current drilling fluid filtration mode adopts the sedimentation tank, and the settling time effect is poor to and the great problem of sedimentation tank area. This device adopts centrifugal mode to separate the drilling fluid, can accelerate the separating rate of drilling fluid, simultaneously can be more thorough throws away the drilling fluid in the mud, avoids the drilling fluid to run off.

Description

Centrifugal separation device for drilling fluid in oil exploitation

Technical Field

The utility model belongs to the oil development field, especially, oil development drilling fluid centrifugal separation device.

Background

The drilling fluid is the blood of the well, also called drilling flushing fluid. Drilling fluid can be washed out the piece in the drilling to can cool down the drill bit, played the effect of protection drill bit, current drilling fluid is retrieved and is directly utilized the sedimentation tank to deposit, and settling time is long and the effect is poor, and the sedimentation tank needs multistage subside, and area is great.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an oil development drilling fluid centrifugal separation device for solving the above-mentioned problem that prior art exists.

The purpose is achieved, the utility model adopts the following technical proposal:

an oil recovery drilling fluid centrifugal separation device, comprising: the device comprises a base, a filtering device, a collecting device and a centrifugal device, wherein the base is connected with the collecting device in a sliding mode, the filtering device is fixedly connected with the collecting device, and the filtering device is connected with the centrifugal device.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides an oil development drilling fluid centrifugal separation device, the utility model discloses can solve and propose among the above-mentioned background art, current drilling fluid filtration mode adopts the sedimentation tank, and the settling time effect is poor to and the great problem of sedimentation tank area. This device adopts centrifugal mode to separate the drilling fluid, can accelerate the separating rate of drilling fluid, simultaneously can be more thorough throws away the drilling fluid in the mud, avoids the drilling fluid to run off.

Drawings

FIG. 1 is an overall structure of the present invention;

FIG. 2 is a schematic view of a filter vat configuration;

fig. 3 is a top view of the filter vat and the collection vat.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

An oil recovery drilling fluid centrifugal separation device, comprising: base 1, filter equipment 2, collection device 3 and centrifugal device 4,

base

1 and 3 sliding connection of collection device,

filter equipment

2 and 3 fixed connection of collection device, filter equipment 2 is connected with centrifugal device 4.

The base 1 includes: the device comprises a bottom plate 1-1 and supports 1-2, wherein the supports 1-2 are vertically fixed on the bottom plate 1-1, the number of the supports 1-2 is two, and the two supports 1-2 are symmetrically arranged.

The filter device 2 includes: the device comprises a filter barrel 2-1, a feed inlet 2-2, a vibrating motor 2-3, a discharge cover 2-4 and a shaft bracket 2-5, wherein the filter barrel 2-1 is arranged with a downward opening, the feed inlet 2-2 is arranged at the upper end of the filter barrel 2-1, the vibrating motor 2-3 is fixed at the upper end of the filter barrel 2-1, the discharge cover 2-4 is arranged at the lower end of the filter barrel 2-1 and is controlled by an electromagnetic valve, the shaft bracket 2-5 is horizontally fixed in the filter barrel 2-1, a plurality of filter holes are arranged on the peripheral side surface of the filter barrel 2-1, and the electromagnetic valve controls the opening and closing of the discharge cover 2-4.

The collecting device 3 comprises: the collecting device comprises a collecting barrel 3-1, supporting devices 3-2 and a discharge port 3-3, wherein the collecting barrel 3-1 is sleeved on the outer side of a filtering barrel 2-1 in a coaxial ring mode, the filtering barrel 2-1 is fixedly connected with the collecting barrel 3-1 through a support plate, a gap is reserved between the filtering barrel 2-1 and the collecting barrel 3-1, a plurality of supporting devices 3-2 are symmetrically fixed on the peripheral side face of the collecting barrel 3-1, the supporting devices 3-2 are in sliding connection with the two supports 1-2, and the discharge port 3-3 is arranged at the lower end of the collecting barrel 3-1.

A plurality of said support means 3-2 each comprise: the device comprises a guide post 3-2-1 and a spring 3-2-2, wherein one end of the guide post 3-2-1 is horizontally and fixedly connected with the outer wall of the collecting barrel 3-1, the spring 3-2-2 is sleeved on the guide post 3-2-1, the other end of the guide post 3-2-1 penetrates through a support 1-2 in a sliding mode, and the spring 3-2-2 is located between the support 1-2 and the collecting barrel 3-1.

The centrifugal device 4 comprises: the automatic cleaning device comprises a motor 4-1, a rotating shaft 4-2, a shifting plate 4-3, a steel brush 4-4 and a conical protrusion 4-5, wherein the motor 4-1 is fixed at the upper end of the filtering barrel 2-1, one end of the rotating shaft 4-2 is rotatably connected with a shaft support 2-5, the other end of the rotating shaft 4-2 rotatably penetrates through the top surface of the filtering barrel 2-1 and is fixedly connected with an output shaft of the motor 4-1, a plurality of shifting plates 4-3 are uniformly distributed and fixed on the peripheral side surface of the rotating shaft 4-2, the side wall of each shifting plate 4-3 is provided with the steel brush 4-4, the steel brush 4-4 is leaned against the inner wall of the filtering barrel 2-1, and the shifting plate 4-3 is provided with a plurality of conical protrusions 4-5.

The utility model discloses the theory of operation is:

the drilling fluid extracted by drilling is connected to a feed inlet 2-2 through a water pipe, the drilling fluid mixed with slurry flows into a filter barrel 2-1 through the feed inlet 2-2, the drilling fluid flows out through filter holes formed in the filter barrel 2-1 at the moment, the drilling fluid flows to the bottom of a gap between the drilling fluid and the filter barrel 2-1 after being collected by a collection barrel 3-1, the drilling fluid can be extracted through a discharge outlet 3-3 for recycling, and silt and crushed stone are left in the filter barrel 2-1; the device is connected with an external power supply, a motor 4-1 is electrified to drive a shifting plate 4-3 to rotate through a rotating shaft 4-2, the shifting plate 4-3 rotates to drive the internal drilling fluid to rotate, the drilling fluid rotates to generate centrifugal force, the drilling fluid can be rapidly thrown through a filter hole, the filtering speed of the drilling fluid is accelerated, meanwhile, the residual drilling fluid in the slurry can be further thrown out, the loss of the drilling fluid is avoided, the shifting plate 4-3 is uniformly distributed and fixed on the rotating shaft 4-2, the drilling fluid containing the slurry can be synchronously and uniformly driven to rotate, the eccentric force during the centrifugation of the mixed slurry drilling fluid can be reduced, the phenomenon that the device is damaged or abraded due to the fact that the drilling fluid containing the slurry deviates to one side when rotating is avoided, a vibration motor 2-3 is electrified to drive a filter barrel 2-1 to generate vibration, and the vibration can shake off silt attached to the filter hole, the mud and sand are prevented from blocking the filter holes to influence the separation effect of the drilling fluid, meanwhile, the mud and sand in the filter barrel 2-1 can be deposited on the discharge cover 2-4 due to vibration, the guide pillar 3-2-1 plays a role in supporting the collecting barrel 3-1, the spring 3-2-2 plays a role in reducing resonance and assisting in resetting, the steel brush 4-4 is arranged to scrape the mud and sand attached to the inner wall of the filter barrel 2-1, the mud and sand are prevented from influencing the rotation of the shifting plate 4-3, meanwhile, the mud and sand are prevented from blocking the filter holes to influence the separation of the drilling fluid, the conical bulge 4-5 can prevent the mud and sand from being attached to the shifting plate 4-3, the weight of the shifting plate 4-3 is increased and the drilling fluid is abraded intensively, and the discharge cover 2-4 can be opened by controlling the electromagnetic valve after the separation of the drilling fluid is completely completed, silt in the filter barrel 2-1 can slide out for treatment, and then the discharge cover 2-4 is closed under the control of the electromagnetic valve.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an oil development drilling fluid centrifugal separation device which characterized in that: the method comprises the following steps: base (1), filter equipment (2), collection device (3) and centrifugal device (4), base (1) and collection device (3) sliding connection, filter equipment (2) and collection device (3) fixed connection, filter equipment (2) are connected with centrifugal device (4).

2. The centrifugal separation device for petroleum exploitation drilling fluid according to claim 1, wherein: the base (1) comprises: the device comprises a bottom plate (1-1) and supports (1-2), wherein the supports (1-2) are vertically fixed on the bottom plate (1-1), the number of the supports (1-2) is two, and the two supports (1-2) are symmetrically arranged.

3. The centrifugal separation device for petroleum exploitation drilling fluid according to claim 2, wherein: the filtering device (2) comprises: the filter drum comprises a filter drum (2-1), a feed inlet (2-2), a vibrating motor (2-3), a discharging cover (2-4) and a shaft bracket (2-5), wherein the filter drum (2-1) is arranged to be opened downwards, the feed inlet (2-2) is arranged at the upper end of the filter drum (2-1), the vibrating motor (2-3) is fixed at the upper end of the filter drum (2-1), the discharging cover (2-4) is arranged at the lower end of the filter drum (2-1) and is controlled by an electromagnetic valve, the shaft bracket (2-5) is horizontally fixed in the filter drum (2-1), and a plurality of filter holes are formed in the peripheral side face of the filter drum (2-1).

4. The centrifugal separation device for petroleum exploitation drilling fluid according to claim 3, wherein: the collecting device (3) comprises: the novel filter drum is characterized by comprising a collecting barrel (3-1), supporting devices (3-2) and a discharge port (3-3), wherein the collecting barrel (3-1) is sleeved with the outer side of a filter barrel (2-1) in a coaxial ring mode, the filter barrel (2-1) is fixedly connected with the collecting barrel (3-1) through a support plate, a plurality of supporting devices (3-2) are symmetrically fixed on the peripheral side face of the collecting barrel (3-1), the supporting devices (3-2) are connected with two supports (1-2) in a sliding mode, and the discharge port (3-3) is arranged at the lower end of the collecting barrel (3-1).

5. The centrifugal separation device for petroleum exploitation drilling fluid according to claim 4, wherein: a plurality of said support means (3-2) each comprising: the device comprises a guide post (3-2-1) and a spring (3-2-2), one end of the guide post (3-2-1) is horizontally and fixedly connected with the outer wall of the collecting barrel (3-1), the spring (3-2-2) is sleeved on the guide post (3-2-1), the other end of the guide post (3-2-1) slides through a support (1-2), and the spring (3-2-2) is located between the support (1-2) and the collecting barrel (3-1).

6. The centrifugal separation device for petroleum exploitation drilling fluid according to claim 3, wherein: the centrifugal device (4) comprises: a motor (4-1), a rotating shaft (4-2), a shifting plate (4-3), a steel brush (4-4) and a conical bulge (4-5), a motor (4-1) is fixed at the upper end of the filter barrel (2-1), one end of the rotating shaft (4-2) is rotatably connected with the shaft bracket (2-5), the other end of the rotating shaft (4-2) rotates to penetrate through the top surface of the filter barrel (2-1), and is fixedly connected with an output shaft of the motor (4-1), a plurality of shifting plates (4-3) are uniformly distributed and fixed on the peripheral side surface of the rotating shaft (4-2), a steel brush (4-4) is arranged on the side wall of each shifting plate (4-3), the steel brush (4-4) is leaned against the inner wall of the filter barrel (2-1), and the shifting plate (4-3) is provided with a plurality of conical bulges (4-5).